Move dependencies in 'external' directory and pdate git submodules

external/mirai-core/external/cpp-utils/debug.h

@@ -0,0 +1,65 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef CPP_UTILS_DEBUG_H
+#define CPP_UTILS_DEBUG_H
+
+#include <algorithm>
+#include <chrono>
+#include <iostream>
+#include <ostream>
+#include <string>
+
+namespace cpputils::debug
+{
+
+class Timer
+{
+  public:
+	Timer() : startTime(std::chrono::steady_clock::now())
+	{
+	}
+
+	void start()
+	{
+		startTime = std::chrono::steady_clock::now();
+		isRunning = true;
+	}
+
+	void stop()
+	{
+		const auto now = std::chrono::steady_clock::now();
+		duration += std::chrono::duration_cast<std::chrono::milliseconds>(now - startTime).count();
+		isRunning = false;
+	}
+
+	void reset()
+	{
+		duration = 0;
+		isRunning = false;
+	}
+
+	void printTimeElapsed(const std::string &message) const
+	{
+		long durationToShow = duration;
+		if (isRunning) {
+			const auto now = std::chrono::steady_clock::now();
+			durationToShow +=
+				std::chrono::duration_cast<std::chrono::milliseconds>(now - startTime).count();
+		}
+		std::cout << "[Debug - Timer] " << message << ": " << durationToShow << " ms" << std::endl;
+	}
+
+  private:
+	std::chrono::time_point<std::chrono::steady_clock, std::chrono::nanoseconds> startTime;
+
+	// Timer are always running when created. You can use .reset() after creation.
+	bool isRunning = true;
+	long duration = 0;
+};
+} // namespace cpputils::debug
+
+#endif